Power Engineering 4th Class - Electrical Exam Questions (166 Terms) With Verified Definitions Updated 2024

Which of the following will have an effect on the resistance of a copper wire? A. Increasing/ decreasing the length B. Insulating material C. Increasing/ decreasing the diameter D. Electrical source E. Increase/ decrease in temperature a) A, B b) B, C c) A, B, C d) A, C, E e) A, B, C, D, E {Ans: d) A, C, E [[Remember to follow DreadedLlama on Instagram, Twitch, and Twitter ^^!]]}Which is the ground wire in a three phase four wire circuit? a) Black b) Blue c) Green d) White e) Yellow {Ans: d) White [[Remember to follow DreadedLlama on Instagram, Twitch, and Twitter ^^!]]}Voltage is: a) Current b) Electrical pressure c) Ohm d) Electron flow/ second e) Without potential {Ans: b) Electrical pressure [[Remember to follow DreadedLlama on Instagram, Twitch, and Twitter ^^!]]}The conventional current flow theory states that current flows from the most positive point to the most negative. a) True b) False {Ans: a) True [[Remember to follow DreadedLlama on Instagram, Twitch, and Twitter ^^!]]}Two main types of single phase transformers are: a) Primary and secondary b) Single phase and three phase c) Iron and copper d) Inductive and reactive e) Shell and